Lever



FIG. 1 is a perspective view of the new design for a lever;

FIG. 2 is a front elevational view of the new design for a lever;

FIG. 3 is a top plan view of the new design for a lever, the bottom plan view being a mirror image;

FIG. 4 is a right side elevational view of the new design for a lever;

FIG. 5 is a left side elevational view of the new design for a lever; and,

FIG. 6 is a back elevational view of the new design for a lever.

The broken lines in the Figures are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a lever, as shown and described. 